When you make changes to your Uttar Pradesh Aadhar card
data, a update request number (urn) is assigned to that change request. And
it’s of 14 digits not 12 digits. You might be doing some mistake while
calculating the digits of URN Number and Uttar Pradesh Aadhar card is 12 digits
number so might be you are confusing with Uttar Pradesh Aadhar number.

How can update Uttar Pradesh Aadhar card? Here is
what you can do:

1.To update it via post, download this form.

2.Enter your Uttar Pradesh Aadhar Card number,
name and address as mention in the card. (All in CAPS)

3.In the Mobile section, fill in your new number.

4.Attach some proof of identity with the form and
sign it. ...

5.Double check information and send it over to:

How can I update my phone number in Uttar Pradesh
Aadhar card online? If you want to register your mobile number to your Uttar
Pradesh Aadhar Card then you need to follow the below mentioned steps:

It will take maximum 10-15 days to get the updated Uttar
Pradesh Aadhar card. The Aadhar letter with updates will be sent to your
address when the update/ correction in name, address, date of birth and gender
are processed. For update of your mobile number, the notification for the
update will be sent to the given mobile number.

What are the documents required for change of address
in Uttar Pradesh Aadhar card? The following documents are accepted by the UIDAI
as identity proof: